{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"640304e57628","name":"PISTON KIT 80-82 YZ IT465 85.5, WOSSNER 8265D050 YAMAHA","sku":"56-W551_0.50.W0","brand":"Wossner","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":195.02,"formatted":"£195.02"},"summary":"Wossner piston kit with 85.50mm bore size (85.42mm actual). Forged in Germany for excellent strength and thermal efficiency. The elliptical profile distributes thrust loads evenly during thermal expansion, minimizing localized stress and reducing the likelihood of piston failure. Features forged construction, elliptical design for uniform load distribution under heat, and promotes efficient combustion chamber heat transfer to cylinder walls. Specifications include a 465 cm³ displacement, 82.00 mm stroke, 0.08 mm clearance, 40.00 mm compression height, and a 2-stroke compression ratio. Includes piston kit part number 8265D050, lock CW18, pin WP042, and ring set RSC8550 x2. Part number 56-W551_0.50.WO.","attributes":[{"label":"General Product Group","value":"Engine"},{"label":"General Product Type","value":"Pistons & Kits"},{"label":"General Size","value":"85.5mm"},{"label":"Variant Id","value":"256753"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_5F0_2E50_2EW0/ce0aad92e669b5a3.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_5F0_2E50_2EW0/ce0aad92e669b5a3.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_5F0_2E50_2EW0/b79081ebdbf5f893.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_5F0_2E50_2EW0/f312e38fcdeced0a.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/56-W551_5F0_2E50_2EW0/abbddc5ad9587d96.jpg"],"description":"Wossner piston kit with 85.50mm bore size (85.42mm actual). Forged in Germany for excellent strength and thermal efficiency. The elliptical profile distributes thrust loads evenly during thermal expansion, minimizing localized stress and reducing the likelihood of piston failure. Features forged construction, elliptical design for uniform load distribution under heat, and promotes efficient combustion chamber heat transfer to cylinder walls. Specifications include a 465 cm³ displacement, 82.00 mm stroke, 0.08 mm clearance, 40.00 mm compression height, and a 2-stroke compression ratio. Includes piston kit part number 8265D050, lock CW18, pin WP042, and ring set RSC8550 x2. Part number 56-W551_0.50.WO.","descriptionMarkdown":"### Wossner Piston Kit - High Performance Forged Design\n\nThis Wossner piston kit is precision-engineered for exceptional strength and thermal efficiency. Manufactured in Germany, its forged construction provides superior durability compared to cast pistons. The innovative elliptical profile is specifically designed to distribute thrust loads evenly as the piston heats up and expands, minimizing localized stress points and significantly reducing the risk of piston failure.\n\nThis kit promotes efficient transfer of combustion chamber heat to the cylinder walls, contributing to optimal engine performance.\n\n#### Key Features:\n\n\t\n- Forged construction for maximum strength and longevity.\n\t\n- Elliptical piston profile for uniform load distribution under thermal stress.\n\t\n- Designed for efficient heat transfer from the combustion chamber to the cylinder walls.\n\t\n- High-quality manufacturing from Germany.\n\n#### Specifications:\n\n\t\n- Bore Size: 85.50mm (actual 85.42mm)\n\t\n- Display: 465 cm&sup3;\n\t\n- Stroke: 82.00 mm\n\t\n- Clearance: 0.08 mm\n\t\n- Compression Height: 40.00 mm\n\t\n- Compression Ratio: 2-stroke (compatible with Wossner and OEM specifications)\n\n#### Included Components:\n\n\t\n- Piston Kit Reference: 8265D050\n\t\n- Lock: CW18\n\t\n- Pin: WP042\n\t\n- Ring Set: RSC8550 (x2)","weightGrams":null,"fitments":[],"collections":[{"name":"Engine","url":"https://www.2brosparts.com/api/agent/collection/GB/engine"},{"name":"Pistons & Kits","url":"https://www.2brosparts.com/api/agent/collection/GB/pistons-kits"}],"links":{"page":"https://www.2brosparts.com/products/piston-kit-80-82-yz-it465-855-wossner-8265d050-yamaha","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/640304e57628:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/640304e57628:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}